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...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 6999522 | Constrained-envelope digital communications transmitter and method therefor A constrained-envelope digital communications transmitter (10) places constraints on the envelope of a spectrally constrained, digitally modulated communication signal (42) to lower peak-to-average power ratio without allowing significant spectral regr... | 02/14/2006 |
| 6863262 | Pole bridle A pole bridle (20) for facilitating the manipulation of a pole (22) by a hoist includes plates (24) configured for placement in spaced-relation about the pole (22). Retaining members (26) are coupled to an outer surface (28)... | 03/08/2005 |
| 6374208 | System and method for adapting a PC-based application to an automated format In an arcade system (20), an interface circuit (38) is configured for communication with a PC (40) and one or more peripheral devices (59). The interface circuit (38) adapts a PC-based application (64), installed on and executable from the PC (40), to an ... | 04/16/2002 |
| 6223433 | Dual-fluid heat-exchanging system with extruded thermal-transfer core and method of fabrication thereof A dual-fluid heat-exchanging system (20) incorporating a primary heat exchanger (22) and a secondary heat exchanger (24) is provided. The primary heat exchanger (22) incorporates a core (40) configured to extract heat (32) from a primary fluid (34). An in... | 05/01/2001 |
| 6222878 | Communication system with end-to-end quadrature balance control A communication system (10) includes a transmitter (20) having programmable signals (46, 58, 60, 80) which can be used to adjust transmitter-caused quadrature-phase signal imbalances. A receiver (18) of the system (10) is remotely located from the transmi... | 04/24/2001 |
| 5595570 | Keratome with spring loaded adjustable plate, cutting length adjustment plate, method of cutting a corneal flap, and gauge-mounted bracket for adjusting plate on keratome head A cutting length adjustment plate for a keratome that allows for a pre-cutting measurement of a corneal cut has a transverse groove adapted to receive a keratome, a parallel aperture in the groove for viewing the blade in the keratome, and indicia to meas... | 01/21/1997 |
| 5594782 | Multiple mode personal wireless communications system A multiple mode, personal, wireless communications system exists within a radiotelephone network serving general customers and provides additional services to a select group of customers. The system uses handsets (32) which automatically switch between a ... | 01/14/1997 |
| 5576543 | Method and apparatus for determining crystallographic characteristics An apparatus for determining crystallographic characteristics of a specimen having at least one crystal includes an electron beam generator, a beam deflector for adjusting the tilt and azimuth angles of the electron beam relative to the specimen, a stage ... | 11/19/1996 |
